Adjustable bar stool



FIG. 1 is a perspective view of an adjustable bar stool showing my new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a top plan view thereof.

A bottom plan view is omitted since the bottom plan view is invisible in normal use.

Dashed lines shown on the surface of the adjustable bar stool are understood to represent stitching.

The dot-dash lines showing of the stool leg is for the purpose of illustrating the environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for an adjustable bar stool, as shown and described. 